Abstract

Donor acceptor conjugated polymer containing imine linkage in the back bone (P1) was designed and synthesized by copolymerization of Octyl diphenylamine dialdehyde with p-diaminodiphenyl. The structure of monomers and polymer was characterized using various techniques. The optical property of the polymer solution and thin film was done using UV-Visible spectroscopic technique. The resistivity of the polymer was measured using Agilent B1500A. The Polymer film showed excellent response to ammonia gas. The color change can be visualized by naked eye which is reversible on exposure to acid. The response in terms of change in electrical resistivity on exposure to ammonia vapors was reported

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